The young center had gone from an organizational building block to a bench warmer, and now he could soon be saying goodbye.

Amid a Monday report that his representatives have requested the Knicks trade the 23-year-old Spaniard, sources told The Post there have been discussions between the two sides about Hernangomez’s dissatisfaction with his greatly diminished role, and his desire to be dealt by Thursday’s trade deadline if he is going to continue to sit on the bench.

One source said his agent has expressed concern to the Knicks about his lack of playing time, but a league source who has spoken to higher-ups within the organization expect the Knicks to hold onto him unless they can get better future assets. The team also believes this season could help Hernangomez down the line, teaching him how to properly deal with adversity.

“He wants to play and that’s something that they’ll try to figure out,” said Knicks coach Jeff Hornacek, who didn’t know about any requests from the 6-foot-11 Hernangomez, but wasn’t surprised to hear about them.

This development would make two centers who want out. Veteran Joakim Noah is currently away from the team, in exile until at least after Thursday’s deadline, following an incident with Hornacek over playing time.

Last month, The Post reported Hernangomez was drawing the most interest of available players on the team in potential trades from around the league, though it is uncertain what kind of return he would net. Several teams have spoken to the Knicks about a deal for the big man, who will make only $3.1 million the next two seasons.

“I feel great to know other teams are interested about me, right?’’ Hernangomez told The Post on Jan. 6. “My situation is like this right now, not playing much. But I’m ready. I like to be with my teammates. I like to be a part of this team. But I don’t want to [sound] selfish, but I want to play. I’m ready for everything.’’

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Hernangomez has publicly said four times since December he would be open to a trade because he wants to play. He’s close friends with All-Star Kristaps Porzingis and likes New York, but admitted back in an interview on Dec. 27, “It’s been really hard on me,” and “I don’t like my situation.”

Hernangomez, a second-round pick in 2015 who was originally selected by the 76ers before his rights were traded to the Knicks, has appeared in just 25 of 54 games and is averaging 4.4 points and 2.6 rebounds. This comes after a strong first season, when he was named to the league’s All-Rookie first team and was the Eastern Conference Rookie of the Month last April.

But when the Knicks traded Carmelo Anthony to the Thunder, Hernangomez lost his spot to Enes Kanter, who has performed very well in New York, averaging 14 points and 10.5 rebounds per game. He has been unable to beat out Kyle O’Quinn for minutes as Kanter’s backup. Hornacek has been critical of his defense in the past.

Hernangomez, however, hasn’t shown his disappointment in how he has worked. Hornacek described his habits as “great.”

“He comes in here every day and he practices hard,” Hornacek said. “Of course he wishes he could play and we could get him more minutes, but I think he understands how we got to this point and that it’s very difficult to play three [centers] especially in a league that doesn’t play a lot of centers anymore.

“A lot of these centers that come in at the five spot, they’re outside shooters. Which allows us to use KP there occasionally, too. Again, it’s tough on us because we know he’s a great player and it’s tough on him because he doesn’t get to play much.”